Dental Anatomy: Tooth Development

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Questions and Answers

Which hard tissue of the tooth forms last?

  • Enamel
  • Dentin
  • Pulp
  • Cementum (correct)

What is the term when teeth are joined together as one

  • coalescence (correct)
  • seperation
  • dentogenesis
  • enamel

What do developmental gores or lines separate?

  • separate the developmental lobes of teeth (correct)
  • indicate the surfaced of the teeth
  • indicate the numbers of tooth
  • indicate the anatomy of teeth

Which teeth erupt first, the deciduous first molars or the canines?

<p>deciduous first molars (A)</p> Signup and view all the answers

Girls' teeth erupt earlier than boys' teeth

<p>True (A)</p> Signup and view all the answers

Maxillary teeth erupt before their mandibular counterparts

<p>True (A)</p> Signup and view all the answers

Teeth in both jaws do not erupt in pairs

<p>True (A)</p> Signup and view all the answers

The eruption sequence varies little from person to person

<p>False (B)</p> Signup and view all the answers

Which teeth are the most likely to be congenitally missing

<p>third molars (C)</p> Signup and view all the answers

Permanent teeth continue to calcify until age 21 to 25

<p>True (A)</p> Signup and view all the answers

Small localized growths of bone on the buccal cortical plate are known as

<p>exostoses (B)</p> Signup and view all the answers

What are fordyce granules

<p>misplaced sebaceous glands (C)</p> Signup and view all the answers

What is the location of the fovea palatinae

<p>in the anterior palate over the incisive foramen (B)</p> Signup and view all the answers

The space between the left and right palatine tonsils is known as

<p>uvula (A)</p> Signup and view all the answers

If denture flange are overextended, which of the following muscles may cause displacement of the mandibular denture

<p>mylohyoid (C)</p> Signup and view all the answers

When the tongue comes forward which of the following may inhibit its movement

<p>lingual frenum (D)</p> Signup and view all the answers

Which of the following structures is often the cause of a diastema

<p>maxillary labial frenum (C)</p> Signup and view all the answers

Rugae are located on which landmark in the oral cavity?

<p>hard palate (A)</p> Signup and view all the answers

which term is commonly called tongue tied and refers to a short lingual frenum limiting tongue movement

<p>ankyloglossia (C)</p> Signup and view all the answers

the oral cavity is divided into which two parts

<p>oral cavity proper and vestibule (D)</p> Signup and view all the answers

what line separates the enamel from the cementum if the tooth?

<p>cementoenamel junction (A)</p> Signup and view all the answers

which tooth tissue composes the bulk of the tooth

<p>dentin (B)</p> Signup and view all the answers

what is the main nourishment system of the tooth?

<p>pulp (D)</p> Signup and view all the answers

how many surfaces are on a posterior tooth

<p>5 (C)</p> Signup and view all the answers

a developmental elevated projection on the lingual surface of a newly erupted incisor is a

<p>cingulum (D)</p> Signup and view all the answers

the developmental elevated rounded mound of the crown that forms a major division of the occlusal surface is a

<p>cusp (C)</p> Signup and view all the answers

what is the function of the molars

<p>crushing and chewing food (A)</p> Signup and view all the answers

which tooth tissue is the softest

<p>pulp (D)</p> Signup and view all the answers

which is seen in the mouth first the clinical or anatomic crown

<p>clinical (A)</p> Signup and view all the answers

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